/* * Copyright (c) 2012-2013 Oka Motofumi (chikuzen.mo at gmail dot com) * Copyright (c) 2015 Paul B Mahol * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */#ifndef AVFILTER_CONVOLUTION_H#define AVFILTER_CONVOLUTION_H#include "avfilter.h" enum MatrixMode {    MATRIX_SQUARE,    MATRIX_ROW,    MATRIX_COLUMN,    MATRIX_NBMODES,}; typedef struct ConvolutionContext {    const AVClass *class;     char *matrix_str[4];    float rdiv[4];    float bias[4];    int mode[4];    float scale;    float delta;    int planes;     int size[4];    int depth;    int max;    int bpc;    int nb_planes;    int nb_threads;    int planewidth[4];    int planeheight[4];    int matrix[4][49];    int matrix_length[4];    int copy[4];     void (*setup[4])(int radius, const uint8_t *c[], const uint8_t *src, int stride,                     int x, int width, int y, int height, int bpc);    void (*filter[4])(uint8_t *dst, int width,                      float rdiv, float bias, const int *const matrix,                      const uint8_t *c[], int peak, int radius,                      int dstride, int stride, int size);} ConvolutionContext; void ff_convolution_init_x86(ConvolutionContext *s);#endif